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-rw-r--r--config/arping/arping.inc6
1 files changed, 5 insertions, 1 deletions
diff --git a/config/arping/arping.inc b/config/arping/arping.inc
index be21a790..0054adf0 100644
--- a/config/arping/arping.inc
+++ b/config/arping/arping.inc
@@ -35,7 +35,11 @@ function arping_package_reinstall() {
}
function arping_package_php_command() {
- system("arping -c3 " . $_POST['hostip']);
+ require_once("util.inc");
+ if (is_ipaddr($_POST['hostip']) || is_hostname($_POST['hostip']) || is_macaddr($_POST['hostip']))
+ system("arping -c3 " . escapeshellarg($_POST['hostip']));
+ else
+ echo "Invalid input. Supplied address must be a valid IP or MAC address.";
exit;
}